Comb



FIG. 1 is a top perspective view of a comb of my new design;

FIG. 2 is a perspective view from underneath of my new design;

FIG. 3 is an end view of my new design;

FIG. 4 is a top plan view of my new design;

FIG. 5 is a side view of my new design, the opposite side view being a mirror image thereof; and,

FIG. 6 is a bottom plan view of my new design. 

The ornamental design for a comb, as shown and described. 